YOKOGAWA WE7281 User Manual page 16

4-ch, 100 ks/s d/a module
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1.6 Waveform Generation in the FG Mode
Setting the Output Conditions (Output Frequency, Output Voltage, and Phase)
1-10
Output frequency
When the output waveform is a sine wave, the frequency can be set in the range from 1
mHz to 20 kHz. For all other waveforms, the frequency can be set in the range from 1
mHz to 10 kHz. However, for pulse, ramp, triangular, and arbitrary waveforms, the
frequency range for which high quality waveforms are obtained is 1 mHz to 1 kHz.
Output voltage range
Select the range from the following list of choices.
Setting
Possible Output Range
1 V
–1 to 1 V
2 V
–2 to 2 V
5 V
–5 to 5 V
10 V
–10 to 10 V
Output voltage
Amplitude and offset voltage settings are available for the output voltage. For the
ranges, see section 5.1, "Performance Specifications."
Phase
You can set the initial phase of the oscillation for each channel. However, if the phase
setting is changed after waveform generation is started, the actual phase differences
between the waveforms of each channel are not necessarily the phase differences that
were specified.
Trigger signal
Output waveform
Setting the output timing of the trigger signal
When the data at the specified phase of the output waveform (one cycle is taken to be
360 deg) are output, a synchronized trigger signal is output to the WE bus of the
measuring station.
Note
• When the output mode is set to [Cont], the waveform generation starts from the specified phase
when the output is turned ON.
• When the output mode is set to [Trigger] or [Gate], the waveform generation starts from the
specified phase when a trigger occurs or the gate signal is enabled.
Center value
Amplitude
0 V
Offset voltage
:
0 deg
: 90 deg
IM 707281-01E

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